diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/me4000.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/me4000.c | 41 |
1 files changed, 11 insertions, 30 deletions
diff --git a/drivers/staging/comedi/drivers/me4000.c b/drivers/staging/comedi/drivers/me4000.c index 8f4afadab76a..3d12e9135926 100644 --- a/drivers/staging/comedi/drivers/me4000.c +++ b/drivers/staging/comedi/drivers/me4000.c @@ -427,7 +427,7 @@ static int xilinx_download(struct comedi_device *dev) static void me4000_reset(struct comedi_device *dev) { struct me4000_info *info = dev->private; - unsigned long val; + unsigned int val; int chan; /* Make a hardware reset */ @@ -480,9 +480,9 @@ static int me4000_ai_insn_read(struct comedi_device *dev, int rang = CR_RANGE(insn->chanspec); int aref = CR_AREF(insn->chanspec); - unsigned long entry = 0; - unsigned long tmp; - long lval; + unsigned int entry = 0; + unsigned int tmp; + unsigned int lval; if (insn->n == 0) { return 0; @@ -586,7 +586,7 @@ static int me4000_ai_insn_read(struct comedi_device *dev, static int me4000_ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s) { - unsigned long tmp; + unsigned int tmp; /* Stop any running conversion */ tmp = inl(dev->iobase + ME4000_AI_CTRL_REG); @@ -783,7 +783,7 @@ static int ai_prepare(struct comedi_device *dev, unsigned int scan_ticks, unsigned int chan_ticks) { - unsigned long tmp = 0; + unsigned int tmp = 0; /* Write timer arguments */ ai_write_timer(dev, init_ticks, scan_ticks, chan_ticks); @@ -1108,7 +1108,7 @@ static irqreturn_t me4000_ai_isr(int irq, void *dev_id) struct comedi_subdevice *s = &dev->subdevices[0]; int i; int c = 0; - long lval; + unsigned int lval; if (!dev->attached) return IRQ_NONE; @@ -1252,7 +1252,7 @@ static int me4000_ao_insn_write(struct comedi_device *dev, int chan = CR_CHAN(insn->chanspec); int rang = CR_RANGE(insn->chanspec); int aref = CR_AREF(insn->chanspec); - unsigned long tmp; + unsigned int tmp; if (insn->n == 0) { return 0; @@ -1313,29 +1313,12 @@ static int me4000_ao_insn_read(struct comedi_device *dev, return 1; } -/*============================================================================= - Digital I/O section - ===========================================================================*/ - static int me4000_dio_insn_bits(struct comedi_device *dev, struct comedi_subdevice *s, - struct comedi_insn *insn, unsigned int *data) + struct comedi_insn *insn, + unsigned int *data) { - /* - * The insn data consists of a mask in data[0] and the new data - * in data[1]. The mask defines which bits we are concerning about. - * The new data must be anded with the mask. - * Each channel corresponds to a bit. - */ - if (data[0]) { - /* Check if requested ports are configured for output */ - if ((s->io_bits & data[0]) != data[0]) - return -EIO; - - s->state &= ~data[0]; - s->state |= data[0] & data[1]; - - /* Write out the new digital output lines */ + if (comedi_dio_update_state(s, data)) { outl((s->state >> 0) & 0xFF, dev->iobase + ME4000_DIO_PORT_0_REG); outl((s->state >> 8) & 0xFF, @@ -1346,8 +1329,6 @@ static int me4000_dio_insn_bits(struct comedi_device *dev, dev->iobase + ME4000_DIO_PORT_3_REG); } - /* On return, data[1] contains the value of - the digital input and output lines. */ data[1] = ((inl(dev->iobase + ME4000_DIO_PORT_0_REG) & 0xFF) << 0) | ((inl(dev->iobase + ME4000_DIO_PORT_1_REG) & 0xFF) << 8) | ((inl(dev->iobase + ME4000_DIO_PORT_2_REG) & 0xFF) << 16) | |